package com.itheima.entry;

//冒泡排序法
public class TestBubbleSort {
    public static void main(String[] args) {
        int[] arr={4,6,2,1,9};
        bubblSort(arr);

    }

    private static void bubblSort(int[] arr) {
        for (int i = 0; i < arr.length-1; i++) {
            for (int j = 0; j < arr.length-1-i; j++) {
                if (arr[j]<arr[j+1]){
                    int temp=arr[j+1];
                    arr[j+1]=arr[j];
                    arr[j]=temp;
                }
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i]+"  ");
        }
    }
}
